题干: 根据交易者在市场中所建立的交易部位不同，跨期套利可以分为牛市套利、熊市套利和蝶式套利三种。
参考答案：对
The English novel is quite easy for you. There are _____ new words in it. [ ]
A. a little
B. little
C. a few
D. few
螺杆泵输出的透平油是连续的
